Licensed Contractors in San Dimas, California

San Dimas has 315 licensed contractors registered with the California Contractors State License Board across 53 trade classifications. The most common specialties are Electrical Contractor (48), Plumbing Contractor (26), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (23). 162 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (182)
Electrical (62)
Plumbing (32)
HVAC (30)
Limited (28)
Painting (25)
Landscaping (14)
Earthwork (12)
Roofing (11)
Fire (8)
Welding (7)
Solar (4)
Ward'S Heating & Air Conditioning Active
License #254919 C-20, C-43 San Dimas, CA Est. 1968
Steam Masters Active
License #270220 B San Dimas, CA Est. 1971
Pieter Van Gaalen Active
License #316652 B, D16 San Dimas, CA Est. 1976
American Scale Co Inc Active
License #327295 D21 San Dimas, CA Est. 1976
Rf Herrera Construction Active
License #356559 B, C-29 San Dimas, CA Est. 1978
Soyland Enterprises Active
License #366909 B San Dimas, CA Est. 1978
Daniel Weir Construction Company Active
License #386225 B San Dimas, CA Est. 1979
Mr Carlos Pools And Construction Inc Active
License #385622 C-53 San Dimas, CA Est. 1979
Giraldo Electric Active
License #388647 C-10, C-20 +1 more San Dimas, CA Est. 1980
Russell A Pershing Active
License #393163 B, C-8 San Dimas, CA Est. 1980
Jim Skinner Construction Active
License #393892 B San Dimas, CA Est. 1980
Dorsey Plumbing Inc Active
License #396571 C-36 San Dimas, CA Est. 1980
B & D Construction Active
License #409057 B San Dimas, CA Est. 1981
Sang-Yup Steve Lee Active
License #410198 D24 San Dimas, CA Est. 1981
Martin E Wade Active
License #411004 C-20 San Dimas, CA Est. 1981
Bryan L Geer Active
License #442675 B San Dimas, CA Est. 1983
Alex Rojano Active
License #450737 C-10 San Dimas, CA Est. 1983
David Stone Electrical Contractors Inc Active
License #464976 C-10 San Dimas, CA Est. 1984
Michael Glenn Robbertze Active
License #485198 B, C-33 San Dimas, CA Est. 1986
Sea West Enterprises Inc Active
License #486074 A, B +1 more San Dimas, CA Est. 1986
All American Electric Active
License #489902 C-10 San Dimas, CA Est. 1986
Scott James Construction Active
License #494955 B San Dimas, CA Est. 1986
M A Calabrese Associates Active
License #496208 B San Dimas, CA Est. 1986
General Pump Company Inc Active
License #496765 A, C-57 +1 more San Dimas, CA Est. 1986
Galen T Colley Active
License #504544 C-10 San Dimas, CA Est. 1987
Accurate Inc Active
License #505516 B, C-28 San Dimas, CA Est. 1987
Grigolla & Sons Construction Co Inc Active
License #514132 A San Dimas, CA Est. 1987
Ryan Sipp Active
License #519854 B San Dimas, CA Est. 1987
Athena Engineering Inc Active
License #523044 B, C-4 +4 more San Dimas, CA Est. 1988
Tafoya Construction Active
License #524134 B San Dimas, CA Est. 1988
Zenzola Construction Inc Active
License #525379 B, D28 San Dimas, CA Est. 1988
A A G Construction And Development Active
License #532120 B, C-10 San Dimas, CA Est. 1988
James Anthony Spalione Iii Active
License #542859 C-15 San Dimas, CA Est. 1988
Jb Plumbing Active
License #550584 B, C-36 San Dimas, CA Est. 1988
Fire Plumbing Active
License #557478 C-16, C-36 San Dimas, CA Est. 1989
A & F Electric Inc Active
License #560540 C-10 San Dimas, CA Est. 1989
Precision Grading & Excavating Active
License #563111 C-12 San Dimas, CA Est. 1989
Thomas Construction Active
License #563397 B San Dimas, CA Est. 1989
Sonrise Pool & Spas Active
License #579514 C-53 San Dimas, CA Est. 1989
R E Drywall Contracting Inc Active
License #584494 C-2, C-9 San Dimas, CA Est. 1990
Fidelity Construction Plumbing Inc Active
License #585042 A, B +1 more San Dimas, CA Est. 1990
J G'S Kitchen Concepts Active
License #586133 B San Dimas, CA Est. 1990
Cool Time Air Conditioning And Heating Active
License #592062 C-20 San Dimas, CA Est. 1990
Professional Construction Services Active
License #592581 B San Dimas, CA Est. 1990
Martin Paul Electric Active
License #596792 B, C-10 San Dimas, CA Est. 1990
Ahmad M El-Mustapha Active
License #612544 B San Dimas, CA Est. 1991
Rain Bow Heating & Air Inc Active
License #613976 C-20 San Dimas, CA Est. 1991
Yadgir Construction Inc Active
License #616203 B San Dimas, CA Est. 1991
Earl Construction Active
License #619685 B San Dimas, CA Est. 1991
Star Construction Active
License #622180 B San Dimas, CA Est. 1991

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

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